Grille-plate.



PATENTED FEB. 6, 1906'.

ZJH-EB'TvS-SEEET 1. I? 4 W. S. TUTTLE.

GRILLE PLATE.

- APPLIOATION FILED APR.26. 1904.

ig... LL /H l /z 41g,

PATENTED FEB. 6, 1906.

NITED STATES PATENT OFFICE.

WILLARDS. TUTILE, OF BROOKLYN, NEW YORK, ASSIGrNOR` TO. TVUTTLE & BAILEY MFG. COMPANY, OF BROOKLYN, NEW YORK, A kCORFORA- TION OF NEW YORK.

companying drawingshis a full, clear, and ex' act description.

This invention relates to improvements in sheet-metal grille-plates, and while it is parl ticularly applicable for use as a facebplate for -hot-air registers it may be used as a cover for y any wall or oor opening-such, for instance, as ventilating-flues or cold-air openings.

My object-is to produce a light, strong, and y durable grilleplate from comparatively thin sheet metal in which portions of the main body of the plate are cut and pressed inwardly to form reinforcing-ribs to strengthen the plate and to utilize these ribs for supporting and retaining additional reinforcing-bars.

Other objects and uses will appear in the following description.

In the drawings, Figure 1 is a top plan of a grille-plateembodying thefeatures of my invention. Fig. 2 is an enlarged top plan of a portion of the plate seen in Fig. 1. Fig. 3 is an inverted plan of the plate seen in Fig. 1, though somewhat enlarged. Figs. 4 and 5 are sectional views taken on lines 4 4 and 5 5, Fig. 2.A Figs.. 6 and 7 are top plan views of modified forms of grille-plates.

In carrying out the objects stated a rectangular sheet-metal plate- 1 has its marginal edge slightly depressed at 2 to' form a wallbearing surface, while its central portion is provided with a series of parallel bars 3 and intervening parallel s aces 4, the bars 3 being spaced a uniform stance a art and have their opposite ,longitudinal e ges bent inwardly to form parallel flanges 5. In forming these bars and flanges the centralportion of the plate is cut in parallel lines 'at regular interva s at 6, (shown y dotted lines, Fig. 2,) and at the ends of these straight parallel incisions the late is cut in diverging lines 7, (also shown dotted lines, Fig. 2.) Theportions of the p ate at op osite sides of the parallel incisions are then ent inwardly at sub- 5o stantially right angles to the plate to form the parallel'ange's 5 of the bars 3, and the portions of the late between the diverging incisions 7 are so bent inwardly at substan-` Specication of Letters Patent. Y Application filed April 2.6, 1904. Serial No. 204,905. l

sectional area, so that the i t GRILLE-PLATE.

Patented Feb. 6, 1906.

tially ri ht angles to the plate to form retaining Iugs or flanges 8 at -thei ends of the spaces 4. -It now appears that the plateis formed with a series of parallel bars 3, which are substantially of an inverted-U shape in cross-section, and that the spaces 4 produced by forming these bars are of substantially the same length as the bars, thus leaving a substantiall flat mar ln 9 of sheet metal at the ends an sides of t espaces 4, with the ends of thebars integral with the end margins 9, while the inner edges of the side margins are also provided with lnturned flanges 10. These flanges 5 and 10are provided w1th transverse apertures 11, which are arranged at regular intervals and receive transverse reinforcing bars 12, the apertures being so arranged that when the bars'12 are inserted therethrough from side to side the latter, Figs. 1 to 5, are

dis osed in parallel planes at substantially rig t angles to thebars 3, and their opposite ends are bent laterally at 13, Fig. 2, against the outer faces of theflanges 10 to lock said bars 12 in their operative positions against endwise movement.

Similar transverse bars 14, Fi s. 3. and 4,- are arranged at opposite.

ends o the recesses 4 against the outer faces of theinturned flanges 8, with their outer4 of reinforcing the flanges.and engaging the' extremities 13 to hold the transverse bars 12 from rocking movement in -the apertures 11, although the bars 12 are flat and the apertures 11 are of substantially the same crossthese apertures. t

v It is'evident from the foregoing description` that a grille-plate of this construction is light, strong, and durable and may be manufactured at a,` minimum cost'.

The bars 12 are also formed of comparatively thin sheet metalandare disposed edgewise at substantially right angles to the vface ars fit snugly in roo.

los

body havin lflanges 22 similar to those seen in Figs. 1 to 5, inclusive. These flanges are also perforated at intervals, as shown in Fig. 4, to receive separate transverse bars 23, which also run diagonally in lines intersecting the flanges 22 and are secured at the ends in substantially the same manner as seen in Fig. 2.

In Fig. 7 I have shown a still further modilied form of sheet-'metal grille-plate 30, having integral bars 31, which diverge in one direction and converge in the opposite direction, and the edges of these bars are also bent inwardly and have suitable apertures which receive transverse bars 33, the manner of securing these bars being similar to that seen in Figs. 1 to 6, inclusive.

Having thus described my invention, 'what I claim, and desire to secure by Letters Patent, is-

1. A sheet-metal grille-plate having a substantially flat marginal flan e and alternate bars and slots runmng from t e margin at one side to thefmargin at the opposite side, the bars having longitudinal reinforcing-flanges provided with transverse apertures, and additional j bars runnin transversely and throu h the apertures o the rst-namedbars.

2. sheet-metal grille-plate having a substantially flat margin and its central\body provided with a series of bars and intervening slots both running continuously from the margin at one side to the margin at the opposite side, each bar having parallel reinforcingflanges depending from its longitudinal edges, said flanges beingV provided with transverse apertures, and additional straight bars running transversely of the rst-named bars and throu h said apertures.

3. i grille-plate consisting 'of a sheet-metal with paralle -bars 7and intervening parallel spaces, the bars having reinforcing-flanges provided with transverse apertures, and additional bars inserted transversely through said apertures.

its central portion provided.

' 4. A grille-plate consisting of a sheet-metal lbody having its central portion provided with a series of lengthwise bars and intervening lengthwise slots, the portions of the plate at the ends of the slots forming retaininglugs projecting from the plate, and transverse bars restlng in the retaining-lugs.

5. A grille-plate consisting of a sheet-metal body having its central portion provided with a series of lengthwise bars and intervening lengthwise slots, reinforcing-ribs projecting from the longitudinal edges of the bars and provided with transverse apertures, transverse bars running through said apertures, and laterally-projecting yshoulders on the transverse bars to prevent their endwise displacement.

' 6. A grille-plate consisting of a substantially Hat mar in and a series of bars having their ends un1ted toopposite sides of the marginand their intermediate portions spaced apart to form intervening spaces, said bars having reinforcing-ribs projecting from transverse apertures, transverse bars running through said apertures, additional transverse bars at the ends of the first-named bars, and means for securing the additional transverse bars to the plate.

7. A sheet-metal grille-plate having a series of bars and intervening spaces of substantially the same length as the bars, each bar having a depending flange at each longitudinal edge and of substantially half the width of the adjacent space, saidA plate having integral retaining-lugs at the-end of the spaces, and transverse bars held by said lugs.

8. A sheet-metal grille-plate having lengthwise bars and intervenin spaces of substantially-the same length as t e bars, reinforcingribs united to the longitudinal edges of said hand this 19th day of April, 1904.

WILLARD S. TUTTLE.

`Witnessesz H. N. MEEKER, W. R. ILSPENSCHEID` bars, additional bars running transversely at In witness whereof I have hereunto set my roo 

